<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
    <style>
        .box1{
                width: 100px;
                height: 100px;
                background-color: #baf;
                transition: 2s;
                margin:100px auto;

                /*
                        变形的原点,默认值center
                */


                transform-origin: 20px 20px;
            }

        .box1:hover{
            /* 
                对元素进行缩放的函数
                    scaleX() 水平方向的缩放
                    scaleY() 垂直方向的缩放
                    scale()  双方向的缩放
            */
            transform: scale(2);
        }
        .img-wrapper{
            width: 200px;
            height: 200px;
            border: 1px red solid;
            overflow: hidden;
        }
        img{
            transform: 2s;
        }
        .img-wrapper:hover img{
            transform: scale(1.2);
        }
    </style>
<body>
    <div class="box1">

    </div>
</body>
</html>